Tag: vitamin D
Vitamin D Supplementation Boosts Breast Cancer Response to Chemotherapy in Randomized Trial
A randomized trial published in Nutrition and Cancer found that vitamin D3 supplementation at 2,000 IU/day nearly doubled pathological complete…
Why vitamin D prescriptions favour weekly boluses over daily doses — and what the evidence says
Vitamin D prescriptions typically specify 50,000 IU weekly, a pattern driven by patient adherence rather than pharmacological advantage. A randomised…
Why Vitamin D Deficiency Targets Your Fast-Twitch Muscles—and Why Falls Risk Follows
Vitamin D deficiency selectively shrinks type II fast-twitch muscle fibers while sparing slow-twitch fibers, a mechanism that directly explains elevated…
Vitamin D dose response is not linear: Why shelf-picked supplements may not work as expected
Vitamin D supplements do not work the same way for everyone. Research shows that doubling your dose does not double…
Calcium and Vitamin D Supplements Show Limited Benefit for Fracture Prevention in Older Adults, Major Review Finds
A comprehensive systematic review of nearly 154,000 older adults challenges decades of clinical guidance, finding that calcium and vitamin D…
Vitamin D Directly Controls Dopamine Production in Human Brain Neurons, Studies Show
New research reveals vitamin D receptors are physically present in dopamine-producing brain neurons, where they directly control neurotransmitter synthesis and…
Vitamin D Directly Controls Dopamine Production in Human Brain Neurons According to Cui et al. Research
New research reveals vitamin D receptors are physically present in dopamine-producing brain neurons, where they directly control neurotransmitter synthesis and…
Why Your Vitamin D Dose May Be Wrong: New Research Reveals Flawed Shelf-Based Selection
New research reveals why selecting vitamin D supplements from store shelves leads to ineffective dosing. The dose-response relationship is curvilinear,…